Shell Programming and Scripting

jb>cat search
#!/bin/bash
set -x
PATTERN='"'`awk -F: '{printf $2 "|"} END {printf "\b"}' RULE`'"'
echo 'Pattern ['$PATTERN']'
ls -tr *$1* |xargs egrep "$PATTERN"

jb>cat RULE
P1 :pone
P2 :ptwo

jb>./search f
++ awk -F: '{printf $2 "|"} END {printf "\b"}' RULE
+ PATTERN='"pone|ptwo"'
+ echo 'Pattern ["pone|ptwo"]'
Pattern ["pone|ptwo"]
+ ls -tr f1 f1.txt f2 f3 f4
+ xargs egrep '"pone|ptwo"'
f2:ptwo
jb>

jb>ls -tr *f* |xargs egrep "pone|ptwo"
f1:000pone000
f2:ptwo

jb>cat f1
11
000pone000
1111
jb>cat f2
222
ptwo
22222222
jb>

PATTERN='"'`awk -F: '{printf $2 "|"} END {printf "\b"}' RULE`'"'

PATTERN=`awk -F: '{printf $2 "|"} END {printf "\b"}' RULE`

awk -F: '{print $2}' RULE > tmp.file

grep -f tmp.file $(ls -tr *$1*)

>cat RULE
SUCCESS       :Message sent successfully to
FAILURE         :Message send failed for
Acknowledged :Got ack from  
#Goes on

PATTERN=`awk -F: '{printf $2 "|"} END {printf "\b"}' RULE`

#PATTERN will be  'Message sent successfully to|Message send failed for|Got ack from'

ls -tr *$1* |xargs egrep "$PATTERN" > tmp.txt

Sample Output :
SUCCESS :1423
FAILURE : 432
Acknowledged : 764

awk -F: '{print $2}' RULE > tmp.file

grep -f tmp.file $(ls -tr *$1*) > tmp.txt

awk -F: '{print $2}' RULE > tmp.txt
fgrep -f tmp.txt $(ls -tr *26_06_2009*) > tmp2.txt